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Finding the Fourth Proportional to 576,072.24, 864,108.45 and 155,348.16

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Solution

The fourth proportional to 576,072.24, 864,108.45 and 155,348.16 is: 233,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,072.24 : 864,108.45 = 155,348.16 : x
  2. Step 2: Convert to fraction form
    576,072.24/864,108.45 = 155,348.16/x
  3. Step 3: Cross multiply
    576,072.24x = 864,108.45 × 155,348.16
  4. Step 4: Simplify right side
    576,072.24x = 134,237,657,747.95
  5. Step 5: Solve for x
    x = 134,237,657,747.95/576,072.24
  6. Step 6: Final answer
    x = 233,022.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.